4 shunt verification, Beta d-50 – Lamar Technologies BETA D-50 User Manual

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5. CALIBRATION AND MAINTENANCE

5.4 SHUNT VERIFICATION

The Beta D-50 internal shunt is calibrated and certified by the shunt manufacturer. The
shunt is a linear resistive device consisting of a heavy brass base and heavy manganin
(copper alloy) resistance. It is not necessary to calibrate the shunt, however the shunt
could be verified with the help of an external calibrated shunt and a millivolt meter (see
figure 5-3).

BETA D-50

BATTERY

EXTERNAL R

SHUNT

CALIBRATED

SHUNT

AMMETER

TEST PORTS

mV

EXTERNAL CALIBRATED

MILLIVOLMETER

Figure 5-3 Circuit diagram for shunt verification

BETA D-50 TESTER / ANALYZER - OPERATING MANUAL V2.2

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